/*
 * Copyright 2020 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.example.endpoints;

import io.swagger.v3.oas.models.OpenAPI;
import io.swagger.v3.oas.models.info.Info;
import java.util.Collections;
import java.util.Map;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.Bean;

@SpringBootApplication
public class EndpointsApplication {

  public static void main(String[] args) {
    SpringApplication.run(EndpointsApplication.class, args);
  }

  @Bean
  public OpenAPI customOpenApi() {
    return new OpenAPI()
        .info(new Info()
            .title("Cloud Endpoints + Cloud Run")
            .description("Sample API on Cloud Endpoints with a Cloud Run backend")
            .version("1.0.0"))
        .servers(null)
        .extensions(Map.of(
            "host", "<CLOUD_RUN_HOSTNAME>",
            "schemes", Collections.singletonList("https"),
            "produces", Collections.singletonList("application/json"),
            "x-google-backend", Map.of(
                "address", "<CLOUD_RUN_SERVICE_URL>",
                "protocol", "h2"
            )));
  }
}
